I brought a cross-peen hammer from the car, so I can chip them deeper for you before we start.

Cross-peen hammer, having one round face and one wedge-peen face.

Variants include the straight-peen, diagonal-peen, and cross-peen hammer.

It is classified from a cross-peen hammer, point-peen hammer or chisel-peen hammer by having a hemispherical head.

The straight-peen hammer has the wedge oriented parallel to the hammer's handle, while the cross-peen hammer's wedge is oriented perpendicular.

The community's arms might be described thus: Gules a sprig of three oakleaves Or, in base a sledge and a cross-peen hammer in saltire argent.

The town's arms might be described thus: Azure a bend wavy sinister argent between a sledgehammer and a cross-peen hammer per saltire, and three fish of the last.

Originally these were often cross-peen hammers, with one round face and one wedge-peen face, but in modern usage the term primarily refers to hammers with two round faces.

Johanngeorgenstadt's coat of arms might heraldically be described thus: Party per fess, above argent three buildings gules with towers, below gules an inescutcheon argent, therein a sledgehammer and a cross-peen hammer sable per saltire.

The community's arms might be described thus: Party per fess embattled of six vert a chief counter-sapiné of three argent, argent a mount of three of the first, surmounted by a sledgehammer and a cross-peen hammer per saltire Or.